DE3709899C2 - - Google Patents
Info
- Publication number
- DE3709899C2 DE3709899C2 DE19873709899 DE3709899A DE3709899C2 DE 3709899 C2 DE3709899 C2 DE 3709899C2 DE 19873709899 DE19873709899 DE 19873709899 DE 3709899 A DE3709899 A DE 3709899A DE 3709899 C2 DE3709899 C2 DE 3709899C2
- Authority
- DE
- Germany
- Prior art keywords
- piston
- cam
- pistons
- hydraulic
- fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims description 53
- 230000005540 biological transmission Effects 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 27
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 28
- 238000005086 pumping Methods 0.000 description 20
- 230000033001 locomotion Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 229930182556 Polyacetal Natural products 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- -1 Polytrifluoroethylene Polymers 0.000 description 1
- RWCOTTLHDJWHRS-YUMQZZPRSA-N Pro-Pro Chemical compound OC(=O)[C@@H]1CCCN1C(=O)[C@H]1NCCC1 RWCOTTLHDJWHRS-YUMQZZPRSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 108010077112 prolyl-proline Proteins 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/04—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports
- F04B7/045—Two pistons coacting within one cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61067696A JPS62225780A (ja) | 1986-03-26 | 1986-03-26 | 連続作動流体装置 |
| JP62063351A JPS63227966A (ja) | 1987-03-17 | 1987-03-17 | 連続作動流体装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3709899A1 DE3709899A1 (de) | 1987-10-01 |
| DE3709899C2 true DE3709899C2 (enrdf_load_stackoverflow) | 1991-07-04 |
Family
ID=26404456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873709899 Granted DE3709899A1 (de) | 1986-03-26 | 1987-03-26 | Hydraulikeinrichtung |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3709899A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4444671A1 (de) * | 1994-12-15 | 1996-06-20 | Abb Patent Gmbh | Lackförderpumpe |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3129099B2 (ja) * | 1994-09-09 | 2001-01-29 | ブラザー工業株式会社 | 駆動装置付ポンプ |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE95759C (de) * | 1894-07-05 | 1897-12-31 | Diesel & Weise | Schnellgerbverfahren |
| US3695788A (en) * | 1970-01-09 | 1972-10-03 | Bernard A Loomans | Apparatus for pumping fluids |
-
1987
- 1987-03-26 DE DE19873709899 patent/DE3709899A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4444671A1 (de) * | 1994-12-15 | 1996-06-20 | Abb Patent Gmbh | Lackförderpumpe |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3709899A1 (de) | 1987-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8125 | Change of the main classification |
Ipc: F04B 3/00 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |